package com.wxtech.heartbeat.server;


import com.wxtech.heartbeat.Config;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
//import io.netty.handler.codec.FixedLengthFrameDecoder;


public class HeartBeatServer {
    private int port;
    
    public HeartBeatServer(Config config) {
		port = config.getInteger("server.port");
    }
    
    public void run() throws Exception {
        EventLoopGroup bossGroup = new NioEventLoopGroup(); 
        EventLoopGroup workerGroup = new NioEventLoopGroup();
        try {
            ServerBootstrap b = new ServerBootstrap(); 
            b.group(bossGroup, workerGroup)
             .channel(NioServerSocketChannel.class) 
             .childHandler(new ChannelInitializer<SocketChannel>() { 
                 @Override
                 public void initChannel(SocketChannel ch) throws Exception {
                	 //ch.pipeline().addLast(new FixedLengthFrameDecoder(48));
                	 ch.pipeline().addLast(new ProtocolDecoder());
                     ch.pipeline().addLast(new DataHandler());
                 }
             })
             .option(ChannelOption.SO_BACKLOG, 128)          
             .childOption(ChannelOption.SO_KEEPALIVE, true); 
    
            ChannelFuture f = b.bind(port).sync();
            f.channel().closeFuture().sync();
        } finally {
            workerGroup.shutdownGracefully();
            bossGroup.shutdownGracefully();
        }
    }
}
